libertas: convert GET_HW_SPEC to a direct command

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 72857a1..b8e5d21 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -22,4 +22,6 @@
 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
 		     struct cmd_header *resp);
 
+int lbs_update_hw_spec(struct lbs_private *priv);
+
 #endif /* _LBS_CMD_H */